Kingdom [Animalia] Linnaeus, 1758 - animals
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   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
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     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
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       Subdivision Bilateralia
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         Phylum Chordata Bateson, 1885 - chordates
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           Subphylum Vertebrata Cuvier, 1812 - vertebrates
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             Class Reptilia Linnaeus, 1758 - reptiles
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               Subclass Lepidosauria Duméril & Bibron, 1839
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                 Order Squamata Oppel, 1811
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                   Suborder Serpentes Linnaeus, 1758 - snakes
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                     Infraorder Henophidia Hoffstetter, 1939 see Superfamily Henophidia Hoffstetter, 1939
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                       Family Aniliidae Stejneger, 1907 - cylinder snakes
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                         Genus Anilius Oken, 1816
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                         Genus Cylindrophis Wagler, 1828
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